Finding the Fourth Proportional to 154,754.89, 213,546.98 and 86,756.27

Step by Step Solution

1. Step 1: Write the proportion equation
   154,754.89 : 213,546.98 = 86,756.27 : x
2. Step 2: Convert to fraction form
   154,754.89/213,546.98 = 86,756.27/x
3. Step 3: Cross multiply
   154,754.89x = 213,546.98 × 86,756.27
4. Step 4: Simplify right side
   154,754.89x = 18,526,538,603.72
5. Step 5: Solve for x
   x = 18,526,538,603.72/154,754.89
6. Step 6: Final answer
   x = 119,715.37